indexo.dev

xubuntu.org

.org crawl

First seen 2026-04-22 · Last seen 2026-05-15 · ok HTTP/1.1 200 4295 ms crawled 2026-05-16

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Xubuntu
Language
en-us
Generator
Hugo 0.128.0
Feeds

Technology

CDN
Fastly
Server
GitHub.com
CMS
Hugo

Social

Registration

Registrar
MarkMonitor Inc.
Created
2005-04-04
Expires
2028-04-04 686 days left
Updated
2026-03-08
Name servers
  • ns1.canonical.com
  • ns2.canonical.com
  • ns3.canonical.com

DNS records live

NS
  • ns1.canonical.com
  • ns2.canonical.com
  • ns3.canonical.com
MX
  • 0

Email authentication strong

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;fo=1;rua=mailto:dmarc-rua-misc@admin.canonical.com
policy: reject (enforced) · sp=reject
DKIM
Show 12 DKIM selectors
  • default: v=DKIM1; p=
  • google: v=DKIM1; p=
  • selector1: v=DKIM1; p=
  • selector2: v=DKIM1; p=
  • k1: v=DKIM1; p=
  • k2: v=DKIM1; p=
  • mail: v=DKIM1; p=
  • dkim: v=DKIM1; p=
  • s1: v=DKIM1; p=
  • s2: v=DKIM1; p=
  • mxvault: v=DKIM1; p=
  • smtpapi: v=DKIM1; p=
selectors probed

Certificate (current)

R13
from 2026-03-20 to 2026-06-18
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://xubuntu.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (3)

Linked from (3)